Brightening very rapidly. Now it is so bright as 4.6 mag (Dec. 29, Chris Wyatt). It is visible with naked eyes. It will approach to the earth in December and January, and it is expected to brighten up to 4 mag. In the Southern Hemisphere, it keeps observable in excellent condition until late January. In the Northern Hemisphere, it keeps extremely low until mid December. But after that, it will be observable in excellent condition.

It brightened very rapidly in outburst up to 8.8 mag on Dec. 19 (Marco Goiato). It is bright as 10.4 mag still now (Dec. 28, Carlos Labordena). It keeps 9-10 mag until January. In the Northern Hemisphere, it will be geting higher gradually. In the Southern Hemisphere, it will be getting lower gradually, and it keeps extremely low after January.

It brightened up to 6.9 mag in autumn (Oct. 17, Marco Goiato). Now it is fading. But it is bright as 11.0 mag still now (Dec. 29, Chris Wyatt). It is observable in excellent condition in the Southern Hemisphere. In the Northern Hemisphere, it is observable in the evening low sky in December and January.

The brightness evolution has slowed down before the perihelion passage, and it faded down to 11.6 mag in late October (Oct. 26, Todd Augustyniak). However, an outburst occured around Nov. 10-12, and it brightened by 2 mag. It is bright as 10.4 mag still now (Nov. 29, Seiichi Yoshida). In the Northern Hemisphere, it became unobservable temporarily in December. But it will be observable in excellent condition after January while the comet will be fading. In the Southern Hemisphere, it will keep locating extremely low after this.

It will brighten up to 8-9 mag in 2015 spring. In the Southern Hemisphere, it will become observable in January, then it keeps observable in good condition after that. In the Northern Hemisphere, it keeps extremely low and hard to observe from December to 2015 June. It will be observable in good condition after June while the comet will be fading gradually.

Now it is so bright as 10.9 mag (Dec. 20, Marek Biely). It keeps observable in the morning low sky at the same brightness for a while. In the Southern Hemisphere, it is too low to observe until December.

It will brighten very rapidly, and will brighten up to 11 mag from January to February. In the Southern Hemisphere, it will be observable in the morning sky after late February while the comet will be fading. It is hardly observable in the Northern Hemisphere.

It brightened rapidly, and reached up to 10.3 mag in autumn (Oct. 22, Bob King). Now it is fading, but it is bright as 12.1 mag still now (Nov. 29, Seiichi Yoshida). In the Northern Hemisphere, it keeps observable in good condition until the comet will fade out in next spring. It is not observable in the Southern Hemisphere.

The brightness evolution has slowed down just before the perihelion passage. But it brightened up to 6.5 mag in September (Sept. 21, Marco Goiato). Now it is fading. It has faded down to 10.6 mag in October (Oct. 21, Chris Wyatt). It is appearing in the morning sky in the Northern Hemisphere. It will be observable in mid January also in the Southern Hemisphere. It keeps observable in good condition after this, while the comet will be fading gradually.

Now it is 13.6 mag (Dec. 19, Chris Wyatt). Getting brighter than originally expected, and it is already visible visually. It is expected to brighten up to 4 mag from autumn to winter in 2015. It is observable in good condition in the Southern Hemisphere until the highlight, or in the Northern Hemisphere after the highlight.

Now it is 13.8 mag (Dec. 29, Chris Wyatt). It is fainter than originally predicted by 2 mag. In the Northern Hemisphere, it keeps observable at 14 mag in excellent condition from 2014 summer to 2015 spring. It locates somewhat low in the Southern Hemisphere.

Now it is 17.5 mag (Dec. 15, iTelescope Observatory, Siding Spring). It will brighten up to 9 mag in 2015 spring. But the condition of this apparition is bad. In the Southern Hemisphere, it keeps observable until winter when the comet will be 13 mag. But it is not observable around the brightest days. In the Northern Hemispehre, it keeps extremely low and hard to observe. It will be observable after 2015 autumn when the comet will fade out.

It brightened rapidly in outburst in mid October in 2013. Now it is fading. It has already faded down to 13.0 mag (Oct. 18, Con Stoitsis). In the Southern Hemisphere, it keeps observable in good condition for a long time until the comet fades out. In the Northern Hemisphere, it keeps extremely low after this.

Now it is 14.7 mag (Nov. 28, Mt. Lemmon Survey). It keeps 15 mag until February, and it will be observable in excellent condition in the Northern Hemisphere. It locates somewhat low in the Southern Hemisphere.

Now it is 14.9 mag (Nov. 22, Ken-ichi Kadota). It keeps 15 mag for a long time from 2014 to 2015. It is observable in excellent condition in 2014 in the Southern Hemisphere, or in 2015 in the Northern Hemisphere.

Now it is 16.1 mag (Nov. 13, J. Oey, P. Camilleri, H. Williams). The brightness evolution is somewhat slow. It keeps 15-16 mag for a long time from 2014 autumn to 2015 autumn. In the Southern Hemisphere, it keeps observable in excellent condition for a long time. In the Northern Hemisphere, it is unobservable until 2015 June.

It brightened up to 11-12 mag in 2012. It has already faded down to 14.9 mag (Aug. 12, Taras Prystavski). Appearing in the morning sky again. It will be observable at 15 mag in good condition again in 2015.

Now it is 15.4 mag (Oct. 28, Sandor Szabo). It will brighten up to 14 mag from 2015 to 2016. It is observable in good condition in the Southern Hemisphere. It locates somewhat low in the Northern Hemisphere.

It will approach to the sun down to 0.3 a.u. in 2015 July, and it is expected to be bright. Now it is 16.0 mag (Nov. 15, Ken-ichi Kadota). It keeps observable while the comet will be brightening gradually until January when the comet will be 15 mag. The condition is bad after that and it will be hard to observe. But in the Southern Hemisphere, it will be observable after mid July in 2015, and keeps observable while the comet will be fading gradually. In the Northern Hemisphere, it is extremely hard to observe after 2015.

Now it is 15.7 mag (Nov. 13, A. Klotz, F. Kugel, J. Nicolas). In the Northern Hemisphere, it keeps 15-16 mag and observable in excellent condition for a long time until early summer in 2015. In the Southern Hemisphere, it is not observable until mid January.

Now it is 14.2 mag (Oct. 4, Jakub Cerny). It keeps 13-14 mag and observable in good condition in the Northern Hemisphere for a long time from 2013 to 2014. It locates low in the Southern Hemisphere. Two fragments, B and C, are also visible at 18-20 mag.

Now it is 15.5 mag (Nov. 29, Catalina Sky Survey). It keeps observable at 15-16 mag for a long time from 2015 to 2016. In the Northern Hemisphere, it is observable in excellent condition. It locates somewhat low in the Southern Hemisphere.

Now it is 15.3 mag (Nov. 27, Mt. Lemmon Survey). It will pass the perihelion on Mar. 15. In the Northern Hemispehre, it keeps observable in good condition until late February. In the Southern Hemisphere, it keeps observable until mid February, but it locates low.

Now it is 16.8 mag (Nov. 15, J. F. Hernandez). It will pass close to the earth from spring to summer in 2016, and it is expected to be observable at 6-7 mag in good condition. In the Northern Hemispehre, it keeps observable in good condition until 2015 spring when the comet will brighten up to 15.5 mag. In the Southern Hemisphere, it keeps low for a long time until 2016 spring.

Now it is 15.9 mag (Nov. 29, Ken-ichi Kadota). It will be higher gradually, and will be observable at 16-17 mag in good condition from winter to spring. It will be observable after January also in the Southern Hemisphere.

Now it is 17.2 mag (Nov. 19, V. Luna). It will brighten up to 13 mag in 2016. In the Northern Hemisphere, it will be observable at 16 mag in excellent condition in this winter. It locates somewhat low in the Southern Hemisphere.

First return of a new periodic comet discovered in 2004. It brightened very rapidly as expected. Now it is 15.9 mag (Nov. 26, Catalina Sky Survey). It will be observable in excellent condition from autumn to winter.

It brightened up to 13.8 mag from summer to autumn (Sept. 16, Taras Prystavski). Now it is fading rapidly. It has already faded down to 17.1 mag (Nov. 9, K. Hills). It keeps observable in good condition until February when the comet will be fainter than 18 mag.

Now it is 16.9 mag (Nov. 18, R. Ligustri). It keeps 13 mag for a long time from 2015 to 2016, and will be observable in excellent condition in the Northern Hemisphere. In the Southern Hemisphere, it is observable only until mid 2015 March.

Now it is 18.9 mag (Nov. 20, Yasukazu Ikari). It was observed at 17 mag from 2013 to early 2014. It will be observable at 17.5 mag in good condition again from autumn to winter in 2014. But recently, it is fainter than this ephemeris.

Now it is 16.8 mag (Sept. 11, E. Bryssinck). It keeps observable at 17-18 mag for a long time from 2013 to 2016. It keeps locating high in the Northern Hemisphere. It keeps locating very low in the Southern Hemipshere.

Now it is 17.5 mag (Nov. 29, Ken-ichi Kadota). It was observed around 17-18 mag in early 2014. It will be observable around 17-18 mag again from 2014 autumn to 2015 spring, in excellent condition in the Northern Hemisphere. It is not observable in the Southern Hemisphere.

It brightened up to 2 mag by unusual major outburst in 2007. It brightened up to 12.6 mag in this apparition (June 25, Taras Prystavski). Now it is fading. It has already faded down to 16.3 mag (Dec. 2, Yasukazu Ikari). In the Northern Hemisphere, it keeps observable until it fades out in 2015. In the Southern Hemisphere, it keeps extremely low after this.

Now it is 19.6 mag (Dec. 2, A. Maury, J.-F. Soulier, J.-G. Bosch, T. Noel). Now it is around the aphelion. In the Northern Hemisphere, it is observable at 17.5 mag in good condition from winter to spring. It locates somewhat low in the Southern Hemisphere.

Now it is 17.1 mag (Nov. 22, Ken-ichi Kadota). It keeps observable at 17-18 mag from summer to winter in excellent condition in the Northern Hemisphere. It locates somewhat low in the Southern Hemisphere.

Now it is 18.2 mag (Nov. 26, Catalina Sky Survey). It keeps observable at 17 mag from winter to spring. It is observable in excellent condition in the Southern Hemisphere. But it locates somewhat low in the Northern Hemisphere.

Peculiar asteroid with a cometary orbit of 45-years period. Now it is 18.3 mag (Oct. 4, M. Jaeger, et al.). It will brighten up to 17 mag from November to December, and will be observable in excellent condition.

Now it is 18.1 mag (Mar. 29, M. Jaeger, W. Vollmann, E. Prosperi, S. Prosperi). It keeps 18 mag for a very long time from 2013 to 2018. It locates high in the Southern Hemisphere. But it locates somewhat low in the Northern Hemisphere.